{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical"], "input": "In the case of two water molecules , very little electron flux and comparatively less work required for structural changes is noticed in the reactants region , leading to an earlier transition state and therefore to a smaller activation energy and to a larger rate constant ."}
{"Chemical": []}